Question

In: Statistics and Probability

What percentage of respondents is contacted typically during data validation? Group of answer choices 10% 15%...

What percentage of respondents is contacted typically during data validation?

Group of answer choices

10%

15%

25%

33%

40%

A researcher should consider answers to all of the following questions except _____ when selecting a particular test of significance.

Group of answer choices

how many samples are involved in the test?

are the samples related?

what type of data is involved?

what is the level of significance?

all of the above should be addressed

The level of significance chosen for hypothesis testing is based on _____.

Group of answer choices

the desired level of confidence one wishes to have in the results

the desired degree of precision

how much risk of a type I error one is willing to accept

the statistical test used

whether the sample is a probability sample

Solutions

Expert Solution

Solution:

What percentage of respondents is contacted typically during data validation?

Answer: 10%

Explanation:

Data validation is the process of ensuring whether the quality of the data is met. Usually 10% of respondents is contacted during data validation.

Question: A researcher should consider answers to all of the following questions except _____ when selecting a particular test of significance.

Answer: all of the above should be addressed

Explanation:

All the given options are necessary questions a researcher should answer before selecting a hypothesis test.

Question: The level of significance chosen for hypothesis testing is based on _____.

Answer: how much risk of a type I error one is willing to accept

Explanation:

The level of significance is the probability of making type I error and therefore, the level of significance is determined by seeing how much risk of a type I error one is willing to accept.

orchestra answered 11 months ago

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